//ParameterModifier.java
//Demonstrates the effects of changing parameter values.
public class ParameterModifier
{
//Modifies the parameters,printing their values before and after making changes.
public void changeValues(int f1,Num f2,Num f3)
{
  System.out.println("Before changing the values: ");
  System.out.println("f1\tf2\tf3");
  System.out.println(f1 + "\t" +f2 +"\t" +f3+"\n");

  f1 = 999;
  f2.setValue(888);
  f3 = new Num(777);

  System.out.println("After changing the values: ");
  System.out.println("f1\tf2\tf3");
  System.out.println(f1 + "\t"+f2+"\t"+f3+"\n");
  }
}  
